Bug 1494195 - Back out bug 1491946, using '.fxsnapshot.gz' for memory heap snapshots. r=fitzgen

devtools/client/locales/en-US/memory.properties

@@ -27,7 +27,7 @@ snapshot.io.save.window=Save Snapshot
 snapshot.io.import.window=Import Snapshot
 
 # LOCALIZATION NOTE (snapshot.io.filter): The title for the filter used to
-# filter file types (*.fxsnapshot.gz)
+# filter file types (*.fxsnapshot)
 snapshot.io.filter=Firefox Snapshots
 
 # LOCALIZATION NOTE (aggregate.mb): The label annotating the number of bytes (in

devtools/client/memory/actions/io.js

@@ -19,8 +19,7 @@ exports.pickFileAndExportSnapshot = function(snapshot) {
     const outputFile = await openFilePicker({
       title: L10N.getFormatStr("snapshot.io.save.window"),
       defaultName: OS.Path.basename(snapshot.path),
-      filters: [[L10N.getFormatStr("snapshot.io.filter"),
-                 "*.fxsnapshot; *.fxsnapshot.gz"]],
+      filters: [[L10N.getFormatStr("snapshot.io.filter"), "*.fxsnapshot"]],
       mode: "save",
     });
 
@@ -54,8 +53,7 @@ exports.pickFileAndImportSnapshotAndCensus = function(heapWorker) {
   return async function(dispatch, getState) {
     const input = await openFilePicker({
       title: L10N.getFormatStr("snapshot.io.import.window"),
-      filters: [[L10N.getFormatStr("snapshot.io.filter"),
-                 "*.fxsnapshot; *.fxsnapshot.gz"]],
+      filters: [[L10N.getFormatStr("snapshot.io.filter"), "*.fxsnapshot"]],
       mode: "open",
     });
 

devtools/client/memory/test/unit/head.js

@@ -126,7 +126,7 @@ function waitUntilCensusState(store, getCensus, expected) {
 }
 
 async function createTempFile() {
-  const file = FileUtils.getFile("TmpD", ["tmp.fxsnapshot.gz"]);
+  const file = FileUtils.getFile("TmpD", ["tmp.fxsnapshot"]);
   file.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, FileUtils.PERMS_FILE);
   const destPath = file.path;
   const stat = await OS.File.stat(destPath);

devtools/client/memory/utils.js

@@ -42,9 +42,8 @@ exports.getSnapshotTitle = function(snapshot) {
   }
 
   if (snapshot.imported) {
-    // Strip out the extension if it's the expected ".fxsnapshot.gz"
-    // (".gz" optional)
-    return OS.Path.basename(snapshot.path.replace(/\.fxsnapshot(?:\.gz)?$/, ""));
+    // Strip out the extension if it's the expected ".fxsnapshot"
+    return OS.Path.basename(snapshot.path.replace(/\.fxsnapshot$/, ""));
   }
 
   const date = new Date(snapshot.creationTime / 1000);

devtools/shared/heapsnapshot/HeapSnapshot.cpp

@@ -1449,7 +1449,7 @@ HeapSnapshot::CreateUniqueCoreDumpFile(ErrorResult& rv,
     return nullptr;
 
   auto ms = msSinceProcessCreation(now);
-  rv = file->AppendNative(nsPrintfCString("%lu.fxsnapshot.gz", ms));
+  rv = file->AppendNative(nsPrintfCString("%lu.fxsnapshot", ms));
   if (NS_WARN_IF(rv.Failed()))
     return nullptr;
 
@@ -1464,7 +1464,7 @@ HeapSnapshot::CreateUniqueCoreDumpFile(ErrorResult& rv,
   // The snapshot ID must be computed in the process that created the
   // temp file, because TmpD may not be the same in all processes.
   outSnapshotId.Assign(Substring(outFilePath, tempPath.Length() + 1,
-                                 outFilePath.Length() - tempPath.Length() - sizeof(".fxsnapshot.gz")));
+                                 outFilePath.Length() - tempPath.Length() - sizeof(".fxsnapshot")));
 
   return file.forget();
 }

devtools/shared/heapsnapshot/HeapSnapshot.h

@@ -116,7 +116,7 @@ public:
                                                uint32_t size,
                                                ErrorResult& rv);
 
-  // Creates the `$TEMP_DIR/XXXXXX-XXX.fxsnapshot.gz` core dump file that heap
+  // Creates the `$TEMP_DIR/XXXXXX-XXX.fxsnapshot` core dump file that heap
   // snapshots are serialized into.
   static already_AddRefed<nsIFile> CreateUniqueCoreDumpFile(ErrorResult& rv,
                                                             const TimeStamp& now,

devtools/shared/heapsnapshot/HeapSnapshotFileUtils.js

@@ -15,8 +15,8 @@
 //
 // The heap snapshot file path conventions permits the following forms:
 //
-//     $TEMP_DIRECTORY/XXXXXXXXXX.fxsnapshot.gz
-//     $TEMP_DIRECTORY/XXXXXXXXXX-XXXXX.fxsnapshot.gz
+//     $TEMP_DIRECTORY/XXXXXXXXXX.fxsnapshot
+//     $TEMP_DIRECTORY/XXXXXXXXXX-XXXXX.fxsnapshot
 //
 // Where the strings of "X" are zero or more digits.
 
@@ -28,7 +28,7 @@ loader.lazyRequireGetter(this, "FileUtils",
 loader.lazyRequireGetter(this, "OS", "resource://gre/modules/osfile.jsm", true);
 
 function getHeapSnapshotFileTemplate() {
-  return OS.Path.join(OS.Constants.Path.tmpDir, `${Date.now()}.fxsnapshot.gz`);
+  return OS.Path.join(OS.Constants.Path.tmpDir, `${Date.now()}.fxsnapshot`);
 }
 
 /**
@@ -63,7 +63,7 @@ exports.getHeapSnapshotTempFilePath = function(snapshotId) {
   if (!isValidSnapshotFileId(snapshotId)) {
     return null;
   }
-  return OS.Path.join(OS.Constants.Path.tmpDir, snapshotId + ".fxsnapshot.gz");
+  return OS.Path.join(OS.Constants.Path.tmpDir, snapshotId + ".fxsnapshot");
 };
 
 /**

dom/chrome-webidl/ChromeUtils.webidl

@@ -36,7 +36,7 @@ namespace ChromeUtils {
    * @returns                 The path to the file the heap snapshot was written
    *                          to. This is guaranteed to be within the temp
    *                          directory and its file name will match the regexp
-   *                          `\d+(\-\d+)?\.fxsnapshot.gz`.
+   *                          `\d+(\-\d+)?\.fxsnapshot`.
    */
   [Throws]
   DOMString saveHeapSnapshot(optional HeapSnapshotBoundaries boundaries);
@@ -46,7 +46,7 @@ namespace ChromeUtils {
    *
    * @returns                 The snapshot ID of the file. This is the file name
    *                          without the temp directory or the trailing
-   *                          `.fxsnapshot.gz`.
+   *                          `.fxsnapshot`.
    */
   [Throws]
   DOMString saveHeapSnapshotGetId(optional HeapSnapshotBoundaries boundaries);